4891419077 has 2 divisors, whose sum is σ = 4891419078. Its totient is φ = 4891419076.

The previous prime is 4891419073. The next prime is 4891419083. The reversal of 4891419077 is 7709141984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4810670881 + 80748196 = 69359^2 + 8986^2 .

It is a cyclic number.

It is not a de Polignac number, because 4891419077 - 2² = 4891419073 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4891419073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2445709538 + 2445709539.

It is an arithmetic number, because the mean of its divisors is an integer number (2445709539).

Almost surely, 2^4891419077 is an apocalyptic number.

It is an amenable number.

4891419077 is a deficient number, since it is larger than the sum of its proper divisors (1).

4891419077 is an equidigital number, since it uses as much as digits as its factorization.

4891419077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 50.

The square root of 4891419077 is about 69938.6808354290. The cubic root of 4891419077 is about 1697.5071973192.

The spelling of 4891419077 in words is "four billion, eight hundred ninety-one million, four hundred nineteen thousand, seventy-seven".